
 <!DOCTYPE HTML>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  
    <title>Angular使用笔记8--使用filter服务进行格式转换 | Here. There.</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=3, minimum-scale=1">
    
    <meta name="author" content="被删">
    
    <meta name="description" content="最近的一个项目使用AngularJS(v1.2.6)作为前端的框架，《Angular使用笔记》系列用于记录过程中的一些使用和解决方法。本文记录使用filter服务进行格式转换的过程。">
    
    
    
    
    <link rel="alternate" href="/atom.xml" title="Here. There." type="application/atom+xml">
    
    
    <link rel="icon" href="/img/favicon.ico">
    
    
    <link rel="apple-touch-icon" href="/img/pacman.jpg">
    <link rel="apple-touch-icon-precomposed" href="/img/pacman.jpg">
    
    <link rel="stylesheet" href="/css/style.css">
    
<script type="text/javascript">
var _hmt = _hmt || [];
(function() {
  var hm = document.createElement("script");
  hm.src = "//hm.baidu.com/hm.js?3d902de4a19cf2bf179534ffd2dd7b7f";
  var s = document.getElementsByTagName("script")[0]; 
  s.parentNode.insertBefore(hm, s);
})();
</script>

</head>

  <body>
    <header>
      <div>
		
			<div id="imglogo">
				<a href="/"><img src="/img/sun.png" alt="Here. There." title="Here. There."/></a>
			</div>
			
			<div id="textlogo">
				<h1 class="site-name"><a href="/" title="Here. There.">Here. There.</a></h1>
				<h2 class="blog-motto">Love ice cream. Love sunshine. Love life. Love the world. Love myself. Love you.</h2>
			</div>
			<div class="navbar"><a class="navbutton navmobile" href="#" title="菜单">
			</a></div>
			<nav class="animated">
				<ul>
					
						<li><a href="/">首页</a></li>
					
						<li><a href="https://github.com/godbasin/godbasin.github.io">所有文章</a></li>
					
						<li><a href="/archives">归档</a></li>
					
						<li><a href="/categories">分类</a></li>
					
						<li><a href="https://godbasin.github.io/front-end-playground">前端游乐场</a></li>
					
						<li><a href="/about">关于我</a></li>
					
				</ul>
			</nav>			
</div>

    </header>
    <div id="container">
      <div id="main" class="post" itemscope itemprop="blogPost">
	<article itemprop="articleBody"> 
		<header class="article-info clearfix">
  <h1 itemprop="name">
    
      <a href="/2016/07/23/angular-note-8-create-filter/" title="Angular使用笔记8--使用filter服务进行格式转换" itemprop="url">Angular使用笔记8--使用filter服务进行格式转换</a>
  </h1>
  <p class="article-author">By
    
      <a href="https://godbasin.github.io" title="被删">被删</a>
    </p>
  <p class="article-time">
    <time datetime="2016-07-23T14:42:23.000Z" itemprop="datePublished">2016-07-23</time>
    更新日期:<time datetime="2018-12-18T15:28:34.269Z" itemprop="dateModified">2018-12-18</time>
    
  </p>
</header>
	<div class="article-content">
		
		
		<div id="toc" class="toc-article">
			<strong class="toc-title">文章目录</strong>
		<ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#AngularJS-Filter"><span class="toc-number">1.</span> <span class="toc-text">AngularJS Filter</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#ng内置过滤器"><span class="toc-number">1.1.</span> <span class="toc-text">ng内置过滤器</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#在模板中使用filter"><span class="toc-number">1.2.</span> <span class="toc-text">在模板中使用filter</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#依赖注入使用filter"><span class="toc-number">1.3.</span> <span class="toc-text">依赖注入使用filter</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#参考"><span class="toc-number">1.4.</span> <span class="toc-text">参考</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#自定义过滤器"><span class="toc-number">2.</span> <span class="toc-text">自定义过滤器</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#格式简介"><span class="toc-number">2.1.</span> <span class="toc-text">格式简介</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#设置过滤器"><span class="toc-number">2.2.</span> <span class="toc-text">设置过滤器</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#在other页面中使用"><span class="toc-number">3.</span> <span class="toc-text">在other页面中使用</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#添加filter-js"><span class="toc-number">3.1.</span> <span class="toc-text">添加filter.js</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#添加other页面"><span class="toc-number">3.2.</span> <span class="toc-text">添加other页面</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#添加控制器"><span class="toc-number">3.3.</span> <span class="toc-text">添加控制器</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#最终效果"><span class="toc-number">3.4.</span> <span class="toc-text">最终效果</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#结束语"><span class="toc-number">4.</span> <span class="toc-text">结束语</span></a></li></ol>
		</div>
		
		<p>最近的一个项目使用AngularJS(v1.2.6)作为前端的框架，《Angular使用笔记》系列用于记录过程中的一些使用和解决方法。<br>本文记录使用filter服务进行格式转换的过程。<br><a id="more"></a></p>
<h2 id="AngularJS-Filter"><a href="#AngularJS-Filter" class="headerlink" title="AngularJS Filter"></a>AngularJS Filter</h2><hr>
<p>AngularJS 过滤器可用于转换数据。</p>
<h3 id="ng内置过滤器"><a href="#ng内置过滤器" class="headerlink" title="ng内置过滤器"></a>ng内置过滤器</h3><ul>
<li>currency： 格式化数字为货币格式</li>
<li>filter： 从数组项中选择一个子集</li>
<li>lowercase： 格式化字符串为小写</li>
<li>orderBy： 根据某个表达式排列数组</li>
<li>uppercase： 格式化字符串为大写</li>
<li>date: 日期格式化</li>
<li>json: 格式化json对象</li>
<li>limitTo: 限制数组长度或字符串长度</li>
<li>number: 格式化数字（如千分位）</li>
</ul>
<h3 id="在模板中使用filter"><a href="#在模板中使用filter" class="headerlink" title="在模板中使用filter"></a>在模板中使用filter</h3><ul>
<li>过滤器可以通过一个管道字符（|）和一个过滤器添加到表达式中</li>
</ul>
<figure class="highlight html"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">&#123;&#123; expression | filter &#125;&#125;</div></pre></td></tr></table></figure>
<ul>
<li>可以多个filter连用，上一个filter的输出将作为下一个filter的输入</li>
</ul>
<figure class="highlight html"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">&#123;&#123; expression | filter1 | filter2 | ... &#125;&#125;</div></pre></td></tr></table></figure>
<ul>
<li>filter可以接收参数，参数用 : 进行分割</li>
</ul>
<figure class="highlight html"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">&#123;&#123; expression | filter:argument1:argument2:... &#125;&#125;</div></pre></td></tr></table></figure>
<h3 id="依赖注入使用filter"><a href="#依赖注入使用filter" class="headerlink" title="依赖注入使用filter"></a>依赖注入使用filter</h3><ul>
<li>需使用依赖注入方法将$filter注入到该controller中</li>
</ul>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">var new_value = $filter(&apos;filtername&apos;)(old_value);</div></pre></td></tr></table></figure>
<h3 id="参考"><a href="#参考" class="headerlink" title="参考"></a>参考</h3><p><a href="http://www.cnblogs.com/wushangjue/p/4516107.html?utm_source=tuicool&amp;utm_medium=referral" target="_blank" rel="external">《AngularJS的Filter用法详解》</a></p>
<h2 id="自定义过滤器"><a href="#自定义过滤器" class="headerlink" title="自定义过滤器"></a>自定义过滤器</h2><hr>
<ul>
<li>使用module的filter方法，返回一个函数</li>
<li>该函数接收输入值，并返回处理后的结果</li>
</ul>
<p>这里我们自定义一个日期格式化的过滤器，可传入type参数进行设置格式(默认为xxxx.xx.xx，传入cn为中文日期xxxx年xx月xx日)。</p>
<h3 id="格式简介"><a href="#格式简介" class="headerlink" title="格式简介"></a>格式简介</h3><ul>
<li>xxxx.xx.xx格式<blockquote>
<p>该格式需要对月和日进行补全，即小于10表示为0x</p>
</blockquote>
</li>
</ul>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div></pre></td><td class="code"><pre><div class="line">var numStd = function(num) &#123;</div><div class="line">  if (num === undefined) return; //若无传入值，则返回</div><div class="line">  var _val = parseInt(num), //数字化值，去除多余0</div><div class="line">    _num;</div><div class="line">  //判断小于10，则在前方添加0</div><div class="line">  _num = (_val &lt; 10) ? (&apos;0&apos; + _val) : (&apos;&apos; + _val);</div><div class="line">  return _num; //返回新值</div><div class="line">&#125;;</div></pre></td></tr></table></figure>
<ul>
<li>xxxx年xx月xx日<blockquote>
<p>该格式需要对月和日数字化，即小于10表示为x</p>
</blockquote>
</li>
</ul>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div></pre></td><td class="code"><pre><div class="line">var numUnstd = function(num) &#123;</div><div class="line">  if (num === undefined) return; //若无传入值，则返回</div><div class="line">  var _num = parseInt(num); //数字化值，去除多余0</div><div class="line">  return _num; //返回新值</div><div class="line">&#125;;</div></pre></td></tr></table></figure>
<h3 id="设置过滤器"><a href="#设置过滤器" class="headerlink" title="设置过滤器"></a>设置过滤器</h3><ul>
<li>首先需要对传入值进行判断，若为undefined则返回</li>
<li>使用正则判断当前值的格式，将其拆分取出年月日</li>
<li>根据传入的type参数值，格式化为新的值，并返回</li>
</ul>
<figure class="highlight javascript"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div><div class="line">32</div><div class="line">33</div><div class="line">34</div><div class="line">35</div><div class="line">36</div><div class="line">37</div><div class="line">38</div><div class="line">39</div><div class="line">40</div><div class="line">41</div><div class="line">42</div><div class="line">43</div></pre></td><td class="code"><pre><div class="line">.filter(<span class="string">'myDate'</span>, <span class="function"><span class="keyword">function</span>(<span class="params"></span>) </span>&#123;</div><div class="line">  <span class="comment">/**此处略去上方提到的数字格式化***/</span></div><div class="line">  <span class="keyword">return</span> <span class="function"><span class="keyword">function</span>(<span class="params">str, type</span>) </span>&#123;</div><div class="line">    <span class="keyword">if</span> (_str === <span class="literal">undefined</span>) <span class="keyword">return</span>; <span class="comment">//若无传入值，则返回</span></div><div class="line">    <span class="keyword">var</span> _str = str + <span class="string">''</span>; <span class="comment">//将该值转换为字符串格式</span></div><div class="line">    <span class="comment">//正则判断当前日期格式</span></div><div class="line">    <span class="comment">//是否为xxxx-xx-xx</span></div><div class="line">    <span class="keyword">if</span> (<span class="regexp">/\d&#123;4&#125;-\d&#123;1,2&#125;-\d&#123;1,2&#125;/</span>.test(_str)) &#123;</div><div class="line">      <span class="keyword">var</span> datearr = _str.split(<span class="string">'-'</span>); <span class="comment">//取出年月日</span></div><div class="line">      <span class="comment">//若type为cn，则转换成xxxx年xx月xx日，否则为xxxx.xx.xx</span></div><div class="line">      <span class="keyword">if</span> (type &amp;&amp; type.toLowerCase() == <span class="string">'cn'</span>) &#123;</div><div class="line">        _str = numUnstd(datearr[<span class="number">0</span>]) + <span class="string">'年'</span> + numUnstd(datearr[<span class="number">1</span>]) + <span class="string">'月'</span> + numUnstd(datearr[<span class="number">2</span>]) + <span class="string">'日'</span>;</div><div class="line">      &#125; <span class="keyword">else</span> &#123;</div><div class="line">        _str = numStd(datearr[<span class="number">0</span>]) + <span class="string">'.'</span> + numStd(datearr[<span class="number">1</span>]) + <span class="string">'.'</span> + numStd(datearr[<span class="number">2</span>]);</div><div class="line">      &#125;</div><div class="line">    <span class="comment">//是否为xxxx.xx.xx</span></div><div class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (<span class="regexp">/\d&#123;4&#125;\.\d&#123;1,2&#125;\.\d&#123;1,2&#125;/</span>.test(_str)) &#123;</div><div class="line">      <span class="keyword">var</span> datearr = _str.split(<span class="string">'.'</span>); <span class="comment">//取出年月日</span></div><div class="line">      <span class="comment">//若type为cn，则转换成xxxx年xx月xx日，否则为xxxx.xx.xx</span></div><div class="line">      <span class="keyword">if</span> (type &amp;&amp; type.toLowerCase() == <span class="string">'cn'</span>) &#123;</div><div class="line">        _str = numUnstd(datearr[<span class="number">0</span>]) + <span class="string">'年'</span> + numUnstd(datearr[<span class="number">1</span>]) + <span class="string">'月'</span> + numUnstd(datearr[<span class="number">2</span>]) + <span class="string">'日'</span>;</div><div class="line">      &#125; <span class="keyword">else</span> &#123;</div><div class="line">        _str = numStd(datearr[<span class="number">0</span>]) + <span class="string">'.'</span> + numStd(datearr[<span class="number">1</span>]) + <span class="string">'.'</span> + numStd(datearr[<span class="number">2</span>]);</div><div class="line">      &#125;</div><div class="line">    <span class="comment">//是否为xxxx年xx月xx日</span></div><div class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> ((_str.indexOf(<span class="string">'年'</span>) &gt; <span class="number">-1</span>) &amp;&amp; (_str.indexOf(<span class="string">'月'</span>) &gt; <span class="number">-1</span>) &amp;&amp; (_str.indexOf(<span class="string">'日'</span>) &gt; <span class="number">-1</span>)) &#123;</div><div class="line">       <span class="comment">//取出年月日</span></div><div class="line">      <span class="keyword">var</span> datearr = _str.split(<span class="string">'年'</span>),</div><div class="line">        year = datearr[<span class="number">0</span>],</div><div class="line">        month = datearr[<span class="number">1</span>].split(<span class="string">'月'</span>)[<span class="number">0</span>],</div><div class="line">        day = datearr[<span class="number">1</span>].split(<span class="string">'月'</span>)[<span class="number">1</span>].replace(<span class="string">'日'</span>, <span class="string">''</span>);</div><div class="line">      <span class="comment">//若type为cn，则转换成xxxx年xx月xx日，否则为xxxx.xx.xx</span></div><div class="line">      <span class="keyword">if</span> (type &amp;&amp; type.toLowerCase() == <span class="string">'cn'</span>) &#123;</div><div class="line">        _str = numUnstd(year) + <span class="string">'年'</span> + numUnstd(month) + <span class="string">'月'</span> + numUnstd(day) + <span class="string">'日'</span>;</div><div class="line">      &#125; <span class="keyword">else</span> &#123;</div><div class="line">        _str = numStd(year) + <span class="string">'.'</span> + numStd(month) + <span class="string">'.'</span> + numStd(day);</div><div class="line">      &#125;	</div><div class="line">    &#125; <span class="keyword">else</span> &#123;</div><div class="line">      <span class="keyword">return</span> str; <span class="comment">//以上均不符合，返回原值</span></div><div class="line"></div><div class="line">    <span class="keyword">return</span> _str; <span class="comment">//返回新值</span></div><div class="line">  &#125;;</div><div class="line">&#125;);</div></pre></td></tr></table></figure>
<h2 id="在other页面中使用"><a href="#在other页面中使用" class="headerlink" title="在other页面中使用"></a>在other页面中使用</h2><hr>
<h3 id="添加filter-js"><a href="#添加filter-js" class="headerlink" title="添加filter.js"></a>添加filter.js</h3><ul>
<li>在scripts文件夹新建filter文件夹</li>
<li>在filter文件夹添加filter.js，并添加上述内容</li>
</ul>
<h3 id="添加other页面"><a href="#添加other页面" class="headerlink" title="添加other页面"></a>添加other页面</h3><ul>
<li>在views文件夹内添加一个other.html</li>
<li>在other.html页面内加入头部指令</li>
</ul>
<figure class="highlight html"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line"><span class="tag">&lt;<span class="name">header</span> <span class="attr">app-header</span>&gt;</span><span class="tag">&lt;/<span class="name">header</span>&gt;</span></div></pre></td></tr></table></figure>
<ul>
<li>在app.js文件中添加路由</li>
</ul>
<figure class="highlight javascript"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div></pre></td><td class="code"><pre><div class="line">.when(<span class="string">'/other'</span>, &#123;</div><div class="line">  <span class="attr">templateUrl</span>: <span class="string">'views/other.html'</span>, <span class="comment">//other的html页面</span></div><div class="line">  controller: <span class="string">'OtherCtrl'</span> <span class="comment">//other的控制器</span></div><div class="line">&#125;)</div></pre></td></tr></table></figure>
<ul>
<li>添加一些展示过滤器的信息</li>
</ul>
<h3 id="添加控制器"><a href="#添加控制器" class="headerlink" title="添加控制器"></a>添加控制器</h3><ul>
<li>在controller文件夹内添加一个otherCtrl.js</li>
<li>在index启动页面中添加该文件</li>
<li>注入$filter服务</li>
<li>设置一些用于展示的初始值</li>
</ul>
<figure class="highlight javascript"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div></pre></td><td class="code"><pre><div class="line">app.controller(<span class="string">'OtherCtrl'</span>, [<span class="string">'$scope'</span>, <span class="string">'$filter'</span>,  <span class="function"><span class="keyword">function</span>(<span class="params">$scope, $filter</span>) </span>&#123;</div><div class="line">  $scope.string = <span class="string">'This is a long long long long long long long long long long very long string.'</span>;</div><div class="line">  $scope.date = <span class="keyword">new</span> <span class="built_in">Date</span>();</div><div class="line">  $scope.number = <span class="number">1263714072</span>;</div><div class="line">  $scope.number_with_currency = $filter(<span class="string">'currency'</span>)($scope.number, <span class="string">'￥'</span>);</div><div class="line">&#125;]);</div></pre></td></tr></table></figure>
<h3 id="最终效果"><a href="#最终效果" class="headerlink" title="最终效果"></a>最终效果</h3><p>如图：<br><img src="https://github-imglib-1255459943.cos.ap-chengdu.myqcloud.com/511E.tmp.png" alt="image"></p>
<h2 id="结束语"><a href="#结束语" class="headerlink" title="结束语"></a>结束语</h2><hr>
<p>使用filter服务可以很方便转换各种的数据格式哦，而且也方便统一管理呢。<br><a href="https://github.com/godbasin/godbasin.github.io/tree/blog-codes/angular-notes/8-create-filter" target="_blank" rel="external">此处查看项目代码（仅包含app部分）</a><br><a href="http://angular-notes.godbasin.com/8-create-filter/index.html#/other" target="_blank" rel="external">此处查看页面效果</a></p>
  
		
		<p style="margin-top:50px;">
			查看Github有更多内容噢：<a href="https://github.com/godbasin">https://github.com/godbasin</a>
			<br>
			更欢迎来<a href="https://godbasin.github.io/front-end-playground">被删的前端游乐场</a>边撸猫边学前端噢
		</p>
	</div>
	<img src="https://github-imglib-1255459943.cos.ap-chengdu.myqcloud.com/2code2.jpg" width="200" height="200" style="display:block;margin: 0 auto;" />
	<p style="text-align: center;margin-top: 10px;margin-bottom: 20px;">码生艰难，写文不易，给我家猪囤点猫粮了喵~</p>
	<div class="author-right">
  		<p>作者：被删</p>
  		<p>出处：<a href="https://godbasin.github.io">https://godbasin.github.io</a></p>
  		<p>本文版权归作者所有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。</p>
	</div>
		<footer class="article-footer clearfix">

  <div class="article-tags">
  
  <span></span> <a href="/tags/笔记/">笔记</a>
  </div>


<div class="article-categories">
  <span></span>
  <a class="article-category-link" href="/categories/angular混搭/">angular混搭</a>
</div>



<div class="article-share" id="share">

  
<!-- JiaThis Button BEGIN -->
<div class="jiathis_style_24x24">
	<a class="jiathis_button_qzone"></a>
	<a class="jiathis_button_tsina"></a>
	<a class="jiathis_button_tqq"></a>
	<a class="jiathis_button_weixin"></a>
	<a class="jiathis_button_renren"></a>
	<a href="http://www.jiathis.com/share?uid=2134021" class="jiathis jiathis_txt jtico jtico_jiathis" target="_blank"></a>
</div>
<script type="text/javascript">
var jiathis_config = {data_track_clickback:'true'};
</script>
<script type="text/javascript" src="http://v3.jiathis.com/code_mini/jia.js?uid=2134021" charset="utf-8"></script>
<!-- JiaThis Button END -->   


</div>
</footer>   	       
	</article>
	
<nav class="article-nav clearfix">
 
 <div class="prev" >
 <a href="/2016/07/24/angular-note-9-session-commit/" title="Angular使用笔记9-使用sessionStorage判断是否已登录">
  <strong>PREVIOUS:</strong><br/>
  <span>
  Angular使用笔记9-使用sessionStorage判断是否已登录</span>
</a>
</div>


<div class="next">
<a href="/2016/07/22/angular-note-7-load-image/"  title="Angular使用笔记7--使用File API编写预览图片的指令">
 <strong>NEXT:</strong><br/> 
 <span>Angular使用笔记7--使用File API编写预览图片的指令
</span>
</a>
</div>

</nav>

	<!-- 如果不是首页且没使用 `comments: false` 关闭评论，则尝试加载评论 -->

    <!-- 配置中启用多说时，导入相应代码 -->
    


</div>  
      <div class="openaside"><a class="navbutton" href="#" title="显示侧边栏"></a></div>

  <div id="toc" class="toc-aside">
  <strong class="toc-title">文章目录</strong>
  <ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#AngularJS-Filter"><span class="toc-number">1.</span> <span class="toc-text">AngularJS Filter</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#ng内置过滤器"><span class="toc-number">1.1.</span> <span class="toc-text">ng内置过滤器</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#在模板中使用filter"><span class="toc-number">1.2.</span> <span class="toc-text">在模板中使用filter</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#依赖注入使用filter"><span class="toc-number">1.3.</span> <span class="toc-text">依赖注入使用filter</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#参考"><span class="toc-number">1.4.</span> <span class="toc-text">参考</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#自定义过滤器"><span class="toc-number">2.</span> <span class="toc-text">自定义过滤器</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#格式简介"><span class="toc-number">2.1.</span> <span class="toc-text">格式简介</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#设置过滤器"><span class="toc-number">2.2.</span> <span class="toc-text">设置过滤器</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#在other页面中使用"><span class="toc-number">3.</span> <span class="toc-text">在other页面中使用</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#添加filter-js"><span class="toc-number">3.1.</span> <span class="toc-text">添加filter.js</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#添加other页面"><span class="toc-number">3.2.</span> <span class="toc-text">添加other页面</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#添加控制器"><span class="toc-number">3.3.</span> <span class="toc-text">添加控制器</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#最终效果"><span class="toc-number">3.4.</span> <span class="toc-text">最终效果</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#结束语"><span class="toc-number">4.</span> <span class="toc-text">结束语</span></a></li></ol>
  </div>

<div id="asidepart">
<div class="closeaside"><a class="closebutton" href="#" title="隐藏侧边栏"></a></div>
<aside class="clearfix">

  	
	<div class="archiveslist">
		<p class="asidetitle">最近文章</p>
			<ul class="archive-list">
			
					
				<li class="archive-list-item">
					<a class="archive-list-link" href="/2019/11/15/wxapp-latest-20191115/" title="小程序开发月刊第11期（20191115）">小程序开发月刊第11期（201911...</a>
				</li>
				
			
					
				<li class="archive-list-item">
					<a class="archive-list-link" href="/2019/11/10/change-log/" title="前端 CHANGELOG 生成指南">前端 CHANGELOG 生成指南...</a>
				</li>
				
			
					
				<li class="archive-list-item">
					<a class="archive-list-link" href="/2019/11/09/wxapp-global-data-behavior/" title="小程序的奇技淫巧 -- globalDataBehavior管理全局状态">小程序的奇技淫巧 -- global...</a>
				</li>
				
			
					
				<li class="archive-list-item">
					<a class="archive-list-link" href="/2019/10/15/wxapp-latest-20191015/" title="小程序开发月刊第十期（20191015）">小程序开发月刊第十期（2019101...</a>
				</li>
				
			
					
				<li class="archive-list-item">
					<a class="archive-list-link" href="/2019/10/13/about-front-end-3-growth/" title="前端这几年--3.关于成长和焦虑">前端这几年--3.关于成长和焦虑...</a>
				</li>
				
			
					
				<li class="archive-list-item">
					<a class="archive-list-link" href="/2019/09/16/wxapp-latest-20190916/" title="小程序开发月刊第九期（20190916）">小程序开发月刊第九期（2019091...</a>
				</li>
				
			
					
				<li class="archive-list-item">
					<a class="archive-list-link" href="/2019/08/15/wxapp-latest-20190815/" title="小程序开发月刊第八期（20190815）">小程序开发月刊第八期（2019081...</a>
				</li>
				
			
					
				<li class="archive-list-item">
					<a class="archive-list-link" href="/2019/07/27/front-end-playground/" title="被删的前端游乐场建成！">被删的前端游乐场建成！</a>
				</li>
				
			
					
				<li class="archive-list-item">
					<a class="archive-list-link" href="/2019/07/21/vue-for-everyone-3/" title="9102全员学Vue--3.把页面拼成个Web应用">9102全员学Vue--3.把页面拼...</a>
				</li>
				
			
					
				<li class="archive-list-item">
					<a class="archive-list-link" href="/2019/07/15/wxapp-latest-20190715/" title="小程序开发月刊第七期（20190715）">小程序开发月刊第七期（2019071...</a>
				</li>
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
				
			
			</ul>
	</div>


  
  <div class="archiveslist">
    <p class="asidetitle"><a href="/archives">归档</a></p>
      <ul class="archive-list"><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/11/">十一月 2019</a><span class="archive-list-count">3</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/10/">十月 2019</a><span class="archive-list-count">2</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/09/">九月 2019</a><span class="archive-list-count">1</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/08/">八月 2019</a><span class="archive-list-count">1</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/07/">七月 2019</a><span class="archive-list-count">4</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/06/">六月 2019</a><span class="archive-list-count">4</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/05/">五月 2019</a><span class="archive-list-count">1</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/04/">四月 2019</a><span class="archive-list-count">2</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/03/">三月 2019</a><span class="archive-list-count">2</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/02/">二月 2019</a><span class="archive-list-count">2</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/01/">一月 2019</a><span class="archive-list-count">3</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2018/12/">十二月 2018</a><span class="archive-list-count">4</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2018/11/">十一月 2018</a><span class="archive-list-count">4</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2018/10/">十月 2018</a><span class="archive-list-count">1</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2018/09/">九月 2018</a><span class="archive-list-count">3</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2018/08/">八月 2018</a><span class="archive-list-count">2</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2018/07/">七月 2018</a><span class="archive-list-count">3</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2018/06/">六月 2018</a><span class="archive-list-count">3</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2018/05/">五月 2018</a><span class="archive-list-count">5</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2018/04/">四月 2018</a><span class="archive-list-count">4</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2018/03/">三月 2018</a><span class="archive-list-count">7</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2018/02/">二月 2018</a><span class="archive-list-count">4</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2018/01/">一月 2018</a><span class="archive-list-count">9</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2017/12/">十二月 2017</a><span class="archive-list-count">5</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2017/11/">十一月 2017</a><span class="archive-list-count">3</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2017/10/">十月 2017</a><span class="archive-list-count">5</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2017/09/">九月 2017</a><span class="archive-list-count">6</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2017/08/">八月 2017</a><span class="archive-list-count">11</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2017/07/">七月 2017</a><span class="archive-list-count">9</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2017/06/">六月 2017</a><span class="archive-list-count">10</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2017/05/">五月 2017</a><span class="archive-list-count">15</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2017/04/">四月 2017</a><span class="archive-list-count">7</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2017/03/">三月 2017</a><span class="archive-list-count">10</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2017/02/">二月 2017</a><span class="archive-list-count">41</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2017/01/">一月 2017</a><span class="archive-list-count">6</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2016/12/">十二月 2016</a><span class="archive-list-count">7</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2016/11/">十一月 2016</a><span class="archive-list-count">9</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2016/10/">十月 2016</a><span class="archive-list-count">5</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2016/09/">九月 2016</a><span class="archive-list-count">7</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2016/08/">八月 2016</a><span class="archive-list-count">9</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2016/07/">七月 2016</a><span class="archive-list-count">14</span></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2016/06/">六月 2016</a><span class="archive-list-count">9</span></li></ul>
  </div>


  
<div class="archiveslist">
	<p class="asidetitle"><a href="/categories">分类</a></p>
		<ul class="archive-list">
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/CSS炒饭/" title="CSS炒饭">CSS炒饭<sup>3</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/D3小馒头/" title="D3小馒头">D3小馒头<sup>8</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/angular2火锅/" title="angular2火锅">angular2火锅<sup>25</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/angular混搭/" title="angular混搭">angular混搭<sup>33</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/box2djs方糖/" title="box2djs方糖">box2djs方糖<sup>34</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/cyclejs哈根达斯/" title="cyclejs哈根达斯">cyclejs哈根达斯<sup>8</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/jQuery杂烩/" title="jQuery杂烩">jQuery杂烩<sup>3</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/js什锦/" title="js什锦">js什锦<sup>26</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/react沙拉/" title="react沙拉">react沙拉<sup>16</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/three-js奶茶/" title="three.js奶茶">three.js奶茶<sup>5</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/vue八宝粥/" title="vue八宝粥">vue八宝粥<sup>29</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/webpack宾治/" title="webpack宾治">webpack宾治<sup>9</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/web乱炖/" title="web乱炖">web乱炖<sup>2</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/前端满汉全席/" title="前端满汉全席">前端满汉全席<sup>8</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/喵/" title="喵">喵<sup>2</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/小程序双皮奶/" title="小程序双皮奶">小程序双皮奶<sup>27</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/工作这杯茶/" title="工作这杯茶">工作这杯茶<sup>5</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/应用巧克力盒/" title="应用巧克力盒">应用巧克力盒<sup>2</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/思想棉花糖/" title="思想棉花糖">思想棉花糖<sup>8</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/柴米油盐工具集/" title="柴米油盐工具集">柴米油盐工具集<sup>1</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/自动化甜筒/" title="自动化甜筒">自动化甜筒<sup>1</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/categories/非前端钙片/" title="非前端钙片">非前端钙片<sup>7</sup></a>
			</li>
		
		</ul>
</div>


  
<div class="archiveslist">
	<p class="asidetitle">标签</p>
		<ul class="archive-list">
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/tags/分享/" title="分享">分享<sup>44</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/tags/原创部件/" title="原创部件">原创部件<sup>1</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/tags/心态/" title="心态">心态<sup>5</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/tags/教程/" title="教程">教程<sup>73</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/tags/晒猫/" title="晒猫">晒猫<sup>2</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/tags/笔记/" title="笔记">笔记<sup>121</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/tags/算法/" title="算法">算法<sup>9</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/tags/自制插件/" title="自制插件">自制插件<sup>2</sup></a>
			</li>
		
			<li class="archive-list-item">
				<a class="archive-list-link" href="/tags/逻辑实现/" title="逻辑实现">逻辑实现<sup>5</sup></a>
			</li>
		
		</ul>
</div>


    <div class="archiveslist">
    <p class="asidetitle"><a href="/archives">about</a></p>
      <ul class="archive-list">
      	<li class="archive-list-item">
      		<a>wangbeishan@163.com</a>
      		<a href="https://github.com/godbasin">github.com/godbasin</a>
      	</li>
      </ul>
  </div>

  <div class="rsspart">
	<a href="/atom.xml" target="_blank" title="rss">RSS 订阅</a>
</div>

</aside>
</div>
    </div>
    <footer><div id="footer" >
	
	<section class="info">
		<p> 即使梦想再小，却很伟大 ^_^ </p>
	</section>
	 
		<p class="copyright">Powered by <a href="http://hexo.io" target="_blank" title="hexo">hexo</a> and Theme by <a href="https://github.com/A-limon/pacman" target="_blank" title="Pacman">Pacman</a> © 2019 
		
		<a href="https://godbasin.github.io" target="_blank" title="被删">被删</a>
		
		</p>
</div>
</footer>
    <script src="/js/jquery-2.1.0.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){ 
  $('.navbar').click(function(){
    $('header nav').toggleClass('shownav');
  });
  var myWidth = 0;
  function getSize(){
    if( typeof( window.innerWidth ) == 'number' ) {
      myWidth = window.innerWidth;
    } else if( document.documentElement && document.documentElement.clientWidth) {
      myWidth = document.documentElement.clientWidth;
    };
  };
  var m = $('#main'),
      a = $('#asidepart'),
      c = $('.closeaside'),
      o = $('.openaside');
  $(window).resize(function(){
    getSize(); 
    if (myWidth >= 1024) {
      $('header nav').removeClass('shownav');
    }else
    {
      m.removeClass('moveMain');
      a.css('display', 'block').removeClass('fadeOut');
      o.css('display', 'none');
      
      $('#toc.toc-aside').css('display', 'none');
        
    }
  });
  c.click(function(){
    a.addClass('fadeOut').css('display', 'none');
    o.css('display', 'block').addClass('fadeIn');
    m.addClass('moveMain');
  });
  o.click(function(){
    o.css('display', 'none').removeClass('beforeFadeIn');
    a.css('display', 'block').removeClass('fadeOut').addClass('fadeIn');      
    m.removeClass('moveMain');
  });
  $(window).scroll(function(){
    o.css("top",Math.max(80,260-$(this).scrollTop()));
  });
});
</script>

<script type="text/javascript">
$(document).ready(function(){ 
  var ai = $('.article-content>iframe'),
      ae = $('.article-content>embed'),
      t  = $('#toc'),
      h  = $('article h2')
      ah = $('article h2'),
      ta = $('#toc.toc-aside'),
      o  = $('.openaside'),
      c  = $('.closeaside');
  if(ai.length>0){
    ai.wrap('<div class="video-container" />');
  };
  if(ae.length>0){
   ae.wrap('<div class="video-container" />');
  };
  if(ah.length==0){
    t.css('display','none');
  }else{
    c.click(function(){
      ta.css('display', 'block').addClass('fadeIn');
    });
    o.click(function(){
      ta.css('display', 'none');
    });
    $(window).scroll(function(){
      ta.css("top",Math.max(140,320-$(this).scrollTop()));
    });
  };
});
</script>







  </body>
</html>
